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A subsequent investigation found that the campaign to insert the backdoor into the XZ Utils project was a culmination of approximately three years of effort, between November 2021 and February 2024, [14] by a user going by the name Jia Tan and the nickname JiaT75 to gain access to a position of trust within the project.
Product key on a Proof of License Certificate of Authenticity for Windows Vista Home Premium. A product key, also known as a software key, serial key or activation key, is a specific software-based key for a computer program. It certifies that the copy of the program is original. Product keys consist of a series of numbers and/or letters.
During the installation process or software launch, the user is asked to enter the key; if the key is valid (typically via internal algorithms), the key is accepted, and the user can continue. Product keys can be combined with other DRM practices (such as online "activation"), to prevent cracking the software to run without a product key, or ...
A computer technician in Yangon found that the hacks were denial-of-service attacks, while the group's motive is to protest the 2021 Myanmar coup. [176] March: Cyber insurer CNA Financial, one of the largest insurance companies based in the US, was attacked with ransomware, causing the company to lose control over its network. [177]
The attackers began by sending a malicious email to a workstation on 16 March 2021. [13] The email was opened on 18 March. [13] A malicious Microsoft Excel file was downloaded, which allowed the attackers access to HSE systems. [13] The attackers gained more access over the following weeks. [13]
In computer science, session hijacking, sometimes also known as cookie hijacking, is the exploitation of a valid computer session—sometimes also called a session key—to gain unauthorized access to information or services in a computer system. In particular, it is used to refer to the theft of a magic cookie used to authenticate a user to a ...
If activation is not performed within the grace period or fails because of an illegal or invalid product key, the following restrictions will be imposed on the user: In Windows XP , Windows Server 2003 , and Windows Server 2003 R2 , after a grace period of 30 days, the operating system cannot be used at all until the activation process is ...
DomainKeys Identified Mail (DKIM) is an email authentication method designed to detect forged sender addresses in email (email spoofing), a technique often used in phishing and email spam. DKIM allows the receiver to check that an email that claimed to have come from a specific domain was indeed authorized by the owner of that domain. [ 1 ]